Home / 6,319.06-9,479.58-2,159.28

Finding the Fourth Proportional to 6,319.06, 9,479.58 and 2,159.28

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Solution

The fourth proportional to 6,319.06, 9,479.58 and 2,159.28 is: 3,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.06 : 9,479.58 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    6,319.06/9,479.58 = 2,159.28/x
  3. Step 3: Cross multiply
    6,319.06x = 9,479.58 × 2,159.28
  4. Step 4: Simplify right side
    6,319.06x = 20,469,067.50
  5. Step 5: Solve for x
    x = 20,469,067.50/6,319.06
  6. Step 6: Final answer
    x = 3,239.26

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.